Physics · 2023
JEE Main · 24 January 2023, Shift 2 · Q2
If two vectors P = i +2 m j +m k and Q =4 i -2 j +m k are perpendicular to each other. Then, the value of m will be:
If two vectors $\displaystyle \overrightarrow{\mathrm{P}}=\hat{i}+2 m \hat{j}+m \hat{k}$ and $\displaystyle \vec{Q}=4 \hat{i}-2 \hat{j}+m \hat{k}$ are perpendicular to each other. Then, the value of $\displaystyle m$ will be :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 2$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.